Many cat owners are surprised to learn that cats can get heartworm disease, too. Since there is no approved treatment for heartworms in cats, prevention is critical. Combination heartworm and flea prevention medications make it easy to prevent heartworms and also provide protection from common pests like fleas and even ticks, mites and intestinal parasites. This handy chart will help you make the best choice for your cat: http://www.1800petmeds.com/education/heartworm-flea-combo-medicine-8....